Pith Number

pith:MMWYJN7E

pith:2004:MMWYJN7E3USMYX3F53G5N6VCCZ

not attested not anchored not stored refs pending

Detection of a companion to the pulsating sdB Feige 48

R.A. Benjamin, S.J. O'Toole, U. Heber

arxiv:astro-ph/0405082 v1 · 2004-05-05 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMWYJN7E3USMYX3F53G5N6VCCZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:43:42.447117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

632d84b7e4dd24cc5f65eecdd6faa2164965de2b7f3b13ef39141f1d97b0f4b9

Aliases

arxiv: astro-ph/0405082 · arxiv_version: astro-ph/0405082v1 · doi: 10.48550/arxiv.astro-ph/0405082 · pith_short_12: MMWYJN7E3USM · pith_short_16: MMWYJN7E3USMYX3F · pith_short_8: MMWYJN7E

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MMWYJN7E3USMYX3F53G5N6VCCZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 632d84b7e4dd24cc5f65eecdd6faa2164965de2b7f3b13ef39141f1d97b0f4b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4d47edbb640177a99d5ef905c01c233b6547f1a408c76ac450912f035a11aa4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-05T11:22:59Z",
    "title_canon_sha256": "bf764cb3691f646aa2b1d2480fc04f633d16bfb569a34241ffb9082fea16367b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405082",
    "kind": "arxiv",
    "version": 1
  }
}